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CVE-2008-4302

Estado: ModificadaMedia (5.5)—💥 Exploit

fs/splice.c en el subsistema "splice" en el kernel de Linux anterior a v2.6.22.2 no maneja de forma adecuada un fallo en la función add_to_page_cache_Lru, y como consecuencia intentar desbloquear una página que no está bloqueada, lo que permite que usuarios locales puedan provocar una denegación de servicio (Error del Kernel y caída del sistema), como se demostró por la herramienta "fio I/O".

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (3)

Debian — Debian LinuxLinux — Linux KernelRedhat — Enterprise Linux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-4302",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "version": "3.1",
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  },
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  "published": "2008-09-29T17:17:29.283",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to_page_cache_lru function, and subsequently attempts to unlock a page that was not locked, which allows local users to cause a denial of service (kernel BUG and system crash), as demonstrated by the fio I/O tool."
    },
    {
      "lang": "es",
      "value": "fs/splice.c en el subsistema \"splice\" en el kernel de Linux anterior a v2.6.22.2 no maneja de forma adecuada un fallo en la función add_to_page_cache_Lru, y como consecuencia intentar desbloquear una página que no está bloqueada, lo que permite que usuarios locales puedan provocar una denegación de servicio (Error del Kernel y caída del sistema), como se demostró por la herramienta \"fio I/O\"."
    }
  ],
  "lastModified": "2026-06-16T22:57:33.567",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.\n\nIt was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2008-0957.html",
      "lastModified": "2009-01-15T00:00:00",
      "organization": "Red Hat"
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}